Which of the following code displays the numbers with at least two digits before and after the decimal point?

a$.$

NumberFormat numberForm $=$ NumberFormat.getNumberInstance$()$;

DecimalFormat df $=($DecimalFormat$)$numberForm;

df$.$applyPattern$("00\mathrm{.}00")$;

b$.$

NumberFormat numberForm $=$ NumberFormat.getNumberInstance$()$;

numberForm.setMaximumFractionDigits$(2)$;

numberForm.setMinimumFractionDigits$(2)$;

c$.$

NumberFormat numberForm $=$ NumberFormat.getNumberInstance$()$;

numberForm.setMaximumFractionDigits$(2)$;